Table 4 Percentage P. perniciosus positive traps and its abundance according to trap, building and animal features

Building age (years)

2–20

40

50

35–65

0.0052

3

1

1

2

4

8

0.0001

30–50

100

56

46–66

22

1

3

8

20

214

>100

36

83

71–96

31

1

3

11

35

203

Inner roof/ceiling structure

Cane and plaster

30

83

70–97

0.0179

26

1

3

7

11

203

0.0336

Brick

22

73

54–91

44

1

4

12

52

214

Metal

55

53

40–66

1

1

2

3

5

26

Wood

22

59

39–80

24

1

3

13

21

131

Concrete

47

49

35–63

17

1

1

10

20

112

Wall structure

Unplastered stone

29

83

69–97

0.0006

37

1

3

15

49

203

0.0655

Unplastered brick

39

69

55–84

9

1

3

7

10

57

Plastered brick

100

54

44–64

20

1

2

5

18

214

Plastered stone

8

13

−10–35

1

1

1

1

1

1

Floor bedding

Concrete

69

57

45–68

0.5164

11

1

1

5

12

112

0.0490

Straw/earth

107

63

53–72

27

1

3

8

19

214

Building volume (m³)

16–209

45

78

66–90

0.0040

28

1

4

11

24

203

0.0059

238–477

61

46

33–58

19

1

1

2

4

214

525–10,000

70

61

50–73

16

1

3

8

15

141

Building volume (m³)/open area (m²)

1–9

60

72

60–83

0.0788

14

1

3

5

10

141

0.0009

10–29

77

53

42–64

17

1

2

3

10

214

52–125

39

56

41–72

42

1

12

21

47

203

Annual building disinfections

0–2

76

74

64–84

0.0397

19

1

3

8

16

141

< 0.0001

3–8

61

59

47–71

3

1

1

2

4

8

24–365

39

51

36–67

40

1

7

17

45

214

Main animal species in the building

Dogs

78

55

44–66

0.2760

17

1

2

5

21

112

0.4400

Sheep

114

64

55–73

25

1

3

7

17

214

Average no. of animals in the building

4–18

47

60

46–74

0.7381

25

1

3

14

35

112

0.1675

35–65

53

66

53–79

34

1

2

5

35

214

95–175

53

64

51–77

12

1

2

5

10

131

325–900

31

55

37–72

15

1

3

7

9

141

Animal density

0–0.07

48

54

40–68

0.5733

12

1

2

5

12

112

0.1244

0.08–0.18

59

61

49–73

27

1

3

11

21

214

0.24–2.16

69

64

52–75

21

1

2

5

12

203

Animal density/open area

<1–4

85

56

46–67

0.6104

12

1

1

5

9

141

0.0330

6–14

46

63

49–77

31

1

2

11

39

203

21–480

45

64

50–78

25

1

4

10

19

214

Annual insecticidal treatments on animals

0

69

72

62–83

0.0225

30

1

3

9

21

214

0.4198

1–3

61

51

38–63

21

1

2

13

24

131

5–17

38

71

57–85

15

1

2

5

11

88

Trap distance to the floor (cm)

50_135

39

49

33–64

0.0901

19

1

1

7

17

141

0.1736

150_180

67

70

59–81

19

1

2

5

15

203

190_225

78

62

51–72

40

1

4

21

40

214

Trap distance to the wall (cm)

20

115

64

56–73

0.5411

16

1

2

6

13

88

0.0341

30–60

30

53

35–71

26

1

3

10

22

214

100– −600

39

62

46–77

15

1

1

3

7

131

Trap minimum distance to animals (cm)

30–50

81

69

59–79

0.1040

15

1

2

5

15

112

0.2287

100–400

103

56

47–66

30

1

2

10

27

214